Deserialization in Oracle Communications Cloud Native Core Network Function Environment

CVE-2018-15686

A vulnerability in unit_deserialize of systemd allows an attacker to supply arbitrary state across systemd re-execution via NotifyAccess. This can be used to improperly influence systemd execution and possibly lead to root privilege escalation. Affected releases are systemd versions up to and including 239.

Vulnerability class: Insecure Deserialization

EPSS: 0.023 (81.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-15686?
CVE-2018-15686 is a high-severity vulnerability in Oracle Communications Cloud Native Core Network Function Environment, classified under Deserialization of Untrusted Data. CVSS score: 7.8/10. Published 2018-10-26.
How severe is CVE-2018-15686?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2018-15686 known to be exploited?
7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.